DeepSeek Harness v0.1 launches as open-source agent runtime under MIT license, aiming to rival Anthropic's Claude Code with cost-efficient V4

DeepSeek launched social media accounts and posted job listings for a new Harness team building AI coding agents to rival Claude Code, Copilot,

DeepSeek forms a new team to compete with Anthropic's Claude Code. Anthropic has the best AI model by September 2026 at 83.5% YES.